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4f-electric quadrupolar anomalies in PrCu2Si2 and its pseudoternary solid solutions

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Abstract

Experimental observations for possible presence of 4f quadrupolar Kondo effect in PrCu2Si2 are critically discussed. A comparison of the low temperature properties of the alloys, Pr x Y1−x Cu2Si2 (x=0.05, 0.2 and 0.4), seems to signal the existence of 4f electric quadrupolar glass phenomenon around 4K forx=0.2.

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References

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    Sampathkumaran, E.V., Das, I.: J. Phys. (in press)

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    Sampathkumaran, E.V., Das, I., Vijayaraghavan, R., Hirota, K., Ishikawa, M.: Solid StateCommun.78, 971 (1991); J. Magn. Magn. Mater.108, 85 (1992); Das, I., Sampathkumaran, E.V., Yamamoto, H., Ishikawa, M.: Physica B (in press); Sampathkumaran, E.V., Das, I.: Physica B (in press) In these articles, we discuss possible large electronic contribution to C above 20 K in PrCu2Si2. This inference, if proven beyond doubt, is a criterion in favor of quadrupolar Kondo effect as suggested in [2]

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    Das, I., Sampathkumaran, E.V., Vijayaraghavan, R.: J. Magn. Magn. Mater.104–107, 874 (1992)

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Sampathkumaran, E.V., Hirota, K., Das, I. et al. 4f-electric quadrupolar anomalies in PrCu2Si2 and its pseudoternary solid solutions. Z. Physik B - Condensed Matter 90, 195–196 (1993). https://doi.org/10.1007/BF02198154

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Keywords

  • Spectroscopy
  • Neural Network
  • State Physics
  • Solid Solution
  • Complex System